EP0342745A3 - Kernspinuntersuchungsgerät mit einer Hochfrequenzspulenanordnung - Google Patents

Kernspinuntersuchungsgerät mit einer Hochfrequenzspulenanordnung Download PDF

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Publication number
EP0342745A3
EP0342745A3 EP19890201194 EP89201194A EP0342745A3 EP 0342745 A3 EP0342745 A3 EP 0342745A3 EP 19890201194 EP19890201194 EP 19890201194 EP 89201194 A EP89201194 A EP 89201194A EP 0342745 A3 EP0342745 A3 EP 0342745A3
Authority
EP
European Patent Office
Prior art keywords
radio frequency
frequency coil
coil arrangement
nuclear spin
examining apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19890201194
Other languages
English (en)
French (fr)
Other versions
EP0342745B1 (de
EP0342745A2 (de
Inventor
Christoph Günther Leussler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Patentverwaltung GmbH
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Patentverwaltung GmbH
Publication of EP0342745A2 publication Critical patent/EP0342745A2/de
Publication of EP0342745A3 publication Critical patent/EP0342745A3/de
Application granted granted Critical
Publication of EP0342745B1 publication Critical patent/EP0342745B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34053—Solenoid coils; Toroidal coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

Die Erfindung betrifft ein Kernspinresonanzgerät mit einer Hochfrequenzspule. Dabei wird eine hohe Güte und Empfind­ lichkeit dadurch erreicht, daß die Spule aus einzelnen auf die gleiche Resonanzfrequenz abgestimmten Resonatoren (11-15, 17) be­ steht, die lediglich induktiv miteinander gekoppelt aber nicht galvanisch miteinander verbunden sind.
EP89201194A 1988-05-18 1989-05-12 Kernspinuntersuchungsgerät mit einer Hochfrequenzspulenanordnung Expired - Lifetime EP0342745B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3816831A DE3816831A1 (de) 1988-05-18 1988-05-18 Kernspinuntersuchungsgeraet mit einer hochfrequenzspulenanordnung
DE3816831 1988-05-18

Publications (3)

Publication Number Publication Date
EP0342745A2 EP0342745A2 (de) 1989-11-23
EP0342745A3 true EP0342745A3 (de) 1991-01-16
EP0342745B1 EP0342745B1 (de) 1995-12-20

Family

ID=6354574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89201194A Expired - Lifetime EP0342745B1 (de) 1988-05-18 1989-05-12 Kernspinuntersuchungsgerät mit einer Hochfrequenzspulenanordnung

Country Status (4)

Country Link
US (1) US5003265A (de)
EP (1) EP0342745B1 (de)
JP (1) JP2801262B2 (de)
DE (2) DE3816831A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583438A (en) * 1989-04-12 1996-12-10 Fonar Corporation Inductively coupled dedicated RF coils for MRI
DE3918743A1 (de) * 1989-06-08 1990-12-13 Philips Patentverwaltung Hochfrequenz-quadraturspulenanordnung
FR2655157B1 (fr) * 1989-11-24 1992-04-10 Mehier Henri Procede d'amelioration du facteur de qualite des antennes et plus particulierement des bobines de surface utilisees dans les applications medicales de la resonance magnetique nucleaire et dispositif pour sa mise en óoeuvre.
US5194811A (en) * 1990-08-02 1993-03-16 Fox Chase Cancer Center Radio frequency volume resonator for nuclear magnetic resonance
DE4035844A1 (de) * 1990-11-10 1992-05-14 Philips Patentverwaltung Quadraturspulenanordnung
US5315251A (en) * 1990-12-19 1994-05-24 Toshiba America Mri, Inc. NMR radio-frequency coil
DE4104079C2 (de) * 1991-02-11 1994-12-08 Bruker Medizintech Probenkopf für die NMR-Tomographie
US5585721A (en) * 1991-06-24 1996-12-17 Fonar Corporation Inductively coupled dedicated RF coils for MRI
US5585723A (en) * 1995-03-23 1996-12-17 Conductus, Inc. Inductively coupled superconducting coil assembly
US5365173A (en) * 1992-07-24 1994-11-15 Picker International, Inc. Technique for driving quadrature dual frequency RF resonators for magnetic resonance spectroscopy/imaging by four-inductive loop over coupling
DE4226814A1 (de) * 1992-08-13 1994-02-17 Philips Patentverwaltung Spulenanordnung für MR-Untersuchungen der Mamma
DE4238831A1 (de) * 1992-11-17 1994-05-19 Siemens Ag Hochfrequenzeinrichtung einer Anlage zur Kernspintomographie mit einer Oberflächenspule
US5575287A (en) * 1993-01-25 1996-11-19 Fonar Corporation Inductively coupled RF coils for magnetic resonance studies
JP3216938B2 (ja) * 1993-06-08 2001-10-09 株式会社日立製作所 Ｍｒｉ用ｒｆプローブ及び磁気共鳴撮影装置
DE4322352C2 (de) * 1993-07-05 1996-09-05 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit einer galvanisch entkoppelten Lokalspuleneinrichtung
US5483163A (en) * 1993-08-12 1996-01-09 The United States Of America As Represented By The Department Of Health And Human Services MRI coil using inductively coupled individually tuned elements arranged as free-pivoting components
DE19616464A1 (de) * 1996-04-25 1997-11-06 Philips Patentverwaltung MR-Gerät mit einer Zylinderspulenanordnung und einer Oberflächenspulenanordnung
US5689189A (en) * 1996-04-26 1997-11-18 Picker International, Inc. Technique for designing distributed radio frequency coils and distributed radio frequency coils designed thereby
AU3151997A (en) * 1996-06-03 1998-01-05 Samuel Roznitsky Antenna system for nmr and mri apparatus
US6023166A (en) * 1997-11-19 2000-02-08 Fonar Corporation MRI antenna
US6788058B1 (en) * 2001-03-08 2004-09-07 General Electric Company Asymmetric ring dome radio frequency coil
DE10213565B3 (de) * 2002-03-26 2004-01-08 Siemens Ag Hochfrequenzantenne für eine Magnetresonanzanlage
AUPS224702A0 (en) * 2002-05-10 2002-06-13 Thorlock International Limited Transmit - receive coil system for nuclear quadrupole resonance signal detection in substances
DE10244173B4 (de) * 2002-09-23 2005-11-03 Siemens Ag Antennenanordnung für ein Magnetresonanzgerät, Magnetresonanz-Antennensystem, Magnetresonanzgerät sowie Verfahren zur Verkopplung zweier Antennengruppen
GB0306055D0 (en) * 2003-03-17 2003-04-23 Isis Innovation Waveguide
ES2258898B1 (es) * 2004-06-19 2007-11-16 Universidad De Sevilla Lineas de retardo y multiplexores de microondas basados en transductores de ondas magnetoinductivas y/o electroinductivas en tecnologia planar.
JP4427475B2 (ja) * 2005-04-01 2010-03-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置及び補助コイル
US7642781B2 (en) * 2005-04-15 2010-01-05 Cornell Research Foundation, Inc. High-pass two-dimensional ladder network resonator
US8421462B2 (en) * 2007-02-26 2013-04-16 Koninklijke Philips Electronics N.V. Sinusoidally resonant radio frequency volume coils for high field magnetic resonance applications
DE102007049701B4 (de) 2007-10-17 2010-09-23 Bruker Biospin Ag NMR-Messkopf mit mehreren Resonatorsystemen zur simultanen Vermessung mehrerer Messproben in einem gekoppelten Mode
ITAQ20120008A1 (it) * 2012-12-12 2014-06-13 Antonello Sotgiu Bobina solenoidale composita in grado di migliorare il rapporto segnale rumore nella rivelazione di segnali in risonanza magnetica.
EP3470865B1 (de) * 2016-03-14 2020-03-11 Jeol Ltd. Induktive kopplung in mehrfachresonanzschaltungen in einer kernspinresonanzsonde und verfahren zur verwendung
DE102022206766B3 (de) 2022-07-01 2023-11-30 Bruker Switzerland Ag NMR-Probenkopf mit einer Sende-Empfangsspule umfassend einen Hinwicklungsabschnitt und einen Rückwicklungsabschnitt
US11726152B1 (en) 2022-08-26 2023-08-15 Jeol Ltd. Solid sample magnetic coupling high resolution nuclear magnetic resolution probe and method of use

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142760A2 (de) * 1983-11-14 1985-05-29 General Electric Company Induktivgekoppelte mehrteilige Hochfrequenzfeld-Spulenanordnung für die magnetische Kernresonanz
EP0200078A1 (de) * 1985-04-26 1986-11-05 Siemens Aktiengesellschaft Kernspin-Tomographiegerät
US4733190A (en) * 1987-03-16 1988-03-22 Medical Advances, Inc. NMR local coil with adjustable spacing
EP0281787A1 (de) * 1987-02-25 1988-09-14 Siemens Aktiengesellschaft Oberflächenresonator für Kernspin-Resonanzgeräte

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620155A (en) * 1984-08-16 1986-10-28 General Electric Company Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
JPH0722573B2 (ja) * 1986-03-31 1995-03-15 株式会社東芝 磁気共鳴イメ−ジング装置
NL8603006A (nl) * 1986-11-27 1988-06-16 Philips Nv Magnetisch resonantie apparaat met gestapeld oppervlakte spoelenstelsel.
JP2572218B2 (ja) * 1986-12-26 1997-01-16 株式会社日立メディコ 核磁気共鳴を用いた検査装置
US4825162A (en) * 1987-12-07 1989-04-25 General Electric Company Nuclear magnetic resonance (NMR) imaging with multiple surface coils
US4812764A (en) * 1988-03-31 1989-03-14 Varian Associates, Inc. Calibrated decoupling of tightly coupled concentric surface coils

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142760A2 (de) * 1983-11-14 1985-05-29 General Electric Company Induktivgekoppelte mehrteilige Hochfrequenzfeld-Spulenanordnung für die magnetische Kernresonanz
EP0200078A1 (de) * 1985-04-26 1986-11-05 Siemens Aktiengesellschaft Kernspin-Tomographiegerät
EP0281787A1 (de) * 1987-02-25 1988-09-14 Siemens Aktiengesellschaft Oberflächenresonator für Kernspin-Resonanzgeräte
US4733190A (en) * 1987-03-16 1988-03-22 Medical Advances, Inc. NMR local coil with adjustable spacing

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JOURNAL OF MAGNETIC RESONANCE, Band 78, Nr. 1, 1. Juni 1988, Seiten 69-76, Duluth, MN, US; P.L. KUHNS et al.: "Inductive coupling and tuning in NMR probes; Applications" *
SOCIETY OF MAGNETIC RESONANCE IN MEDICINE, SEVENTH ANNUAL MEETING AND EXHIBITION, San Francisco, CA, 20. - 26. August 1988; L. LI et al.: "A highly efficient double-tuned resonator for phosphorus-31 imaging in Ex-Vivo bone" *

Also Published As

Publication number Publication date
DE58909537D1 (de) 1996-02-01
JP2801262B2 (ja) 1998-09-21
EP0342745B1 (de) 1995-12-20
US5003265A (en) 1991-03-26
EP0342745A2 (de) 1989-11-23
JPH0219138A (ja) 1990-01-23
DE3816831A1 (de) 1989-11-30

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